Files
Odin/vendor/wasm/js/runtime.js

1710 lines
52 KiB
JavaScript

"use strict";
(function() {
function getElement(name) {
if (name) {
return document.getElementById(name);
}
return undefined;
}
function stripNewline(str) {
return str.replace(/\n/, ' ')
}
class WasmMemoryInterface {
constructor() {
this.memory = null;
this.exports = null;
this.listenerMap = {};
}
setMemory(memory) {
this.memory = memory;
}
setExports(exports) {
this.exports = exports;
}
get mem() {
return new DataView(this.memory.buffer);
}
loadF32Array(addr, len) {
let array = new Float32Array(this.memory.buffer, addr, len);
return array;
}
loadF64Array(addr, len) {
let array = new Float64Array(this.memory.buffer, addr, len);
return array;
}
loadU32Array(addr, len) {
let array = new Uint32Array(this.memory.buffer, addr, len);
return array;
}
loadI32Array(addr, len) {
let array = new Int32Array(this.memory.buffer, addr, len);
return array;
}
loadU8(addr) { return this.mem.getUint8 (addr); }
loadI8(addr) { return this.mem.getInt8 (addr); }
loadU16(addr) { return this.mem.getUint16 (addr, true); }
loadI16(addr) { return this.mem.getInt16 (addr, true); }
loadU32(addr) { return this.mem.getUint32 (addr, true); }
loadI32(addr) { return this.mem.getInt32 (addr, true); }
loadU64(addr) {
const lo = this.mem.getUint32(addr + 0, true);
const hi = this.mem.getUint32(addr + 4, true);
return lo + hi*4294967296;
};
loadI64(addr) {
const lo = this.mem.getUint32(addr + 0, true);
const hi = this.mem.getInt32 (addr + 4, true);
return lo + hi*4294967296;
};
loadF32(addr) { return this.mem.getFloat32(addr, true); }
loadF64(addr) { return this.mem.getFloat64(addr, true); }
loadInt(addr) { return this.mem.getInt32 (addr, true); }
loadUint(addr) { return this.mem.getUint32 (addr, true); }
loadPtr(addr) { return this.loadUint(addr); }
loadBytes(ptr, len) {
return new Uint8Array(this.memory.buffer, ptr, len);
}
loadString(ptr, len) {
const bytes = this.loadBytes(ptr, len);
return new TextDecoder().decode(bytes);
}
storeU8(addr, value) { this.mem.setUint8 (addr, value); }
storeI8(addr, value) { this.mem.setInt8 (addr, value); }
storeU16(addr, value) { this.mem.setUint16 (addr, value, true); }
storeI16(addr, value) { this.mem.setInt16 (addr, value, true); }
storeU32(addr, value) { this.mem.setUint32 (addr, value, true); }
storeI32(addr, value) { this.mem.setInt32 (addr, value, true); }
storeU64(addr, value) {
this.mem.setUint32(addr + 0, value, true);
this.mem.setUint32(addr + 4, Math.floor(value / 4294967296), true);
}
storeI64(addr, value) {
this.mem.setUint32(addr + 0, value, true);
this.mem.setInt32 (addr + 4, Math.floor(value / 4294967296), true);
}
storeF32(addr, value) { this.mem.setFloat32(addr, value, true); }
storeF64(addr, value) { this.mem.setFloat64(addr, value, true); }
storeInt(addr, value) { this.mem.setInt32 (addr, value, true); }
storeUint(addr, value) { this.mem.setUint32 (addr, value, true); }
storeString(addr, value) {
const bytes = this.loadBytes(addr, value.length);
new TextEncoder().encodeInto(value, bytes);
}
};
class WebGLInterface {
constructor(wasmMemoryInterface) {
this.wasmMemoryInterface = wasmMemoryInterface;
this.ctxElement = null;
this.ctx = null;
this.ctxVersion = 1.0;
this.counter = 1;
this.lastError = 0;
this.buffers = [];
this.mappedBuffers = {};
this.programs = [];
this.framebuffers = [];
this.renderbuffers = [];
this.textures = [];
this.uniforms = [];
this.shaders = [];
this.vaos = [];
this.contexts = [];
this.currentContext = null;
this.offscreenCanvases = {};
this.timerQueriesEXT = [];
this.queries = [];
this.samplers = [];
this.transformFeedbacks = [];
this.syncs = [];
this.programInfos = {};
}
get mem() {
return this.wasmMemoryInterface
}
setCurrentContext(element, contextSettings) {
if (!element) {
return false;
}
if (this.ctxElement == element) {
return true;
}
contextSettings = contextSettings ?? {};
this.ctx = element.getContext("webgl2", contextSettings) || element.getContext("webgl", contextSettings);
if (!this.ctx) {
return false;
}
this.ctxElement = element;
if (this.ctx.getParameter(0x1F02).indexOf("WebGL 2.0") !== -1) {
this.ctxVersion = 2.0;
} else {
this.ctxVersion = 1.0;
}
return true;
}
assertWebGL2() {
if (this.ctxVersion < 2) {
throw new Error("WebGL2 procedure called in a canvas without a WebGL2 context");
}
}
getNewId(table) {
for (var ret = this.counter++, i = table.length; i < ret; i++) {
table[i] = null;
}
return ret;
}
recordError(errorCode) {
this.lastError || (this.lastError = errorCode);
}
populateUniformTable(program) {
let p = this.programs[program];
this.programInfos[program] = {
uniforms: {},
maxUniformLength: 0,
maxAttributeLength: -1,
maxUniformBlockNameLength: -1,
};
for (let ptable = this.programInfos[program], utable = ptable.uniforms, numUniforms = this.ctx.getProgramParameter(p, this.ctx.ACTIVE_UNIFORMS), i = 0; i < numUniforms; ++i) {
let u = this.ctx.getActiveUniform(p, i);
let name = u.name;
if (ptable.maxUniformLength = Math.max(ptable.maxUniformLength, name.length + 1), name.indexOf("]", name.length - 1) !== -1) {
name = name.slice(0, name.lastIndexOf("["));
}
let loc = this.ctx.getUniformLocation(p, name);
if (loc !== null) {
let id = this.getNewId(this.uniforms);
utable[name] = [u.size, id], this.uniforms[id] = loc;
for (let j = 1; j < u.size; ++j) {
let n = name + "[" + j + "]";
let loc = this.ctx.getUniformLocation(p, n);
let id = this.getNewId(this.uniforms);
this.uniforms[id] = loc;
}
}
}
}
getSource(shader, strings_ptr, strings_length) {
const STRING_SIZE = 2*4;
let source = "";
for (let i = 0; i < strings_length; i++) {
let ptr = this.mem.loadPtr(strings_ptr + i*STRING_SIZE);
let len = this.mem.loadPtr(strings_ptr + i*STRING_SIZE + 4);
let str = this.mem.loadString(ptr, len);
source += str;
}
return source;
}
getWebGL1Interface() {
return {
SetCurrentContextById: (name_ptr, name_len) => {
let name = this.mem.loadString(name_ptr, name_len);
let element = getElement(name);
return this.setCurrentContext(element, {alpha: true, antialias: true, depth: true, premultipliedAlpha: true});
},
CreateCurrentContextById: (name_ptr, name_len, attributes) => {
let name = this.mem.loadString(name_ptr, name_len);
let element = getElement(name);
let contextSettings = {
alpha: !(attributes & (1<<0)),
antialias: !(attributes & (1<<1)),
depth: !(attributes & (1<<2)),
failIfMajorPerformanceCaveat: !!(attributes & (1<<3)),
premultipliedAlpha: !(attributes & (1<<4)),
preserveDrawingBuffer: !!(attributes & (1<<5)),
stencil: !!(attributes & (1<<6)),
desynchronized: !!(attributes & (1<<7)),
};
return this.setCurrentContext(element, contextSettings);
},
GetCurrentContextAttributes: () => {
if (!this.ctx) {
return 0;
}
let attrs = this.ctx.getContextAttributes();
let res = 0;
if (!attrs.alpha) res |= 1<<0;
if (!attrs.antialias) res |= 1<<1;
if (!attrs.depth) res |= 1<<2;
if (attrs.failIfMajorPerformanceCaveat) res |= 1<<3;
if (!attrs.premultipliedAlpha) res |= 1<<4;
if (attrs.preserveDrawingBuffer) res |= 1<<5;
if (attrs.stencil) res |= 1<<6;
if (attrs.desynchronized) res |= 1<<7;
return res;
},
DrawingBufferWidth: () => this.ctx.drawingBufferWidth,
DrawingBufferHeight: () => this.ctx.drawingBufferHeight,
IsExtensionSupported: (name_ptr, name_len) => {
let name = this.mem.loadString(name_ptr, name_len);
let extensions = this.ctx.getSupportedExtensions();
return extensions.indexOf(name) !== -1
},
GetError: () => {
let err = this.lastError;
this.recordError(0);
if (err) {
return err;
}
return this.ctx.getError();
},
GetWebGLVersion: (major_ptr, minor_ptr) => {
let version = this.ctx.getParameter(0x1F02);
if (version.indexOf("WebGL 2.0") !== -1) {
this.mem.storeI32(major_ptr, 2);
this.mem.storeI32(minor_ptr, 0);
return;
}
this.mem.storeI32(major_ptr, 1);
this.mem.storeI32(minor_ptr, 0);
},
GetESVersion: (major_ptr, minor_ptr) => {
let version = this.ctx.getParameter(0x1F02);
if (version.indexOf("OpenGL ES 3.0") !== -1) {
this.mem.storeI32(major_ptr, 3);
this.mem.storeI32(minor_ptr, 0);
return;
}
this.mem.storeI32(major_ptr, 2);
this.mem.storeI32(minor_ptr, 0);
},
ActiveTexture: (x) => {
this.ctx.activeTexture(x);
},
AttachShader: (program, shader) => {
this.ctx.attachShader(this.programs[program], this.shaders[shader]);
},
BindAttribLocation: (program, index, name_ptr, name_len) => {
let name = this.mem.loadString(name_ptr, name_len);
this.ctx.bindAttribLocation(this.programs[program], index, name)
},
BindBuffer: (target, buffer) => {
let bufferObj = buffer ? this.buffers[buffer] : null;
if (target == 35051) {
this.ctx.currentPixelPackBufferBinding = buffer;
} else {
if (target == 35052) {
this.ctx.currentPixelUnpackBufferBinding = buffer;
}
this.ctx.bindBuffer(target, bufferObj)
}
},
BindFramebuffer: (target, framebuffer) => {
this.ctx.bindFramebuffer(target, framebuffer ? this.framebuffers[framebuffer] : null)
},
BindTexture: (target, texture) => {
this.ctx.bindTexture(target, texture ? this.textures[texture] : null)
},
BlendColor: (red, green, blue, alpha) => {
this.ctx.blendColor(red, green, blue, alpha);
},
BlendEquation: (mode) => {
this.ctx.blendEquation(mode);
},
BlendFunc: (sfactor, dfactor) => {
this.ctx.blendFunc(sfactor, dfactor);
},
BlendFuncSeparate: (srcRGB, dstRGB, srcAlpha, dstAlpha) => {
this.ctx.blendFuncSeparate(srcRGB, dstRGB, srcAlpha, dstAlpha);
},
BufferData: (target, size, data, usage) => {
if (data) {
this.ctx.bufferData(target, this.mem.loadBytes(data, size), usage);
} else {
this.ctx.bufferData(target, size, usage);
}
},
BufferSubData: (target, offset, size, data) => {
if (data) {
this.ctx.bufferSubData(target, offset, this.mem.loadBytes(data, size));
} else {
this.ctx.bufferSubData(target, offset, null);
}
},
Clear: (x) => {
this.ctx.clear(x);
},
ClearColor: (r, g, b, a) => {
this.ctx.clearColor(r, g, b, a);
},
ClearDepth: (x) => {
this.ctx.clearDepth(x);
},
ClearStencil: (x) => {
this.ctx.clearStencil(x);
},
ColorMask: (r, g, b, a) => {
this.ctx.colorMask(!!r, !!g, !!b, !!a);
},
CompileShader: (shader) => {
this.ctx.compileShader(this.shaders[shader]);
},
CompressedTexImage2D: (target, level, internalformat, width, height, border, imageSize, data) => {
if (data) {
this.ctx.compressedTexImage2D(target, level, internalformat, width, height, border, this.mem.loadBytes(data, imageSize));
} else {
this.ctx.compressedTexImage2D(target, level, internalformat, width, height, border, null);
}
},
CompressedTexSubImage2D: (target, level, xoffset, yoffset, width, height, format, imageSize, data) => {
if (data) {
this.ctx.compressedTexSubImage2D(target, level, xoffset, yoffset, width, height, format, this.mem.loadBytes(data, imageSize));
} else {
this.ctx.compressedTexSubImage2D(target, level, xoffset, yoffset, width, height, format, null);
}
},
CopyTexImage2D: (target, level, internalformat, x, y, width, height, border) => {
this.ctx.copyTexImage2D(target, level, internalformat, x, y, width, height, border);
},
CopyTexSubImage2D: (target, level, xoffset, yoffset, x, y, width, height) => {
this.ctx.copyTexImage2D(target, level, xoffset, yoffset, x, y, width, height);
},
CreateBuffer: () => {
let buffer = this.ctx.createBuffer();
if (!buffer) {
this.recordError(1282);
return 0;
}
let id = this.getNewId(this.buffers);
buffer.name = id
this.buffers[id] = buffer;
return id;
},
CreateFramebuffer: () => {
let buffer = this.ctx.createFramebuffer();
let id = this.getNewId(this.framebuffers);
buffer.name = id
this.framebuffers[id] = buffer;
return id;
},
CreateProgram: () => {
let program = this.ctx.createProgram();
let id = this.getNewId(this.programs);
program.name = id;
this.programs[id] = program;
return id;
},
CreateRenderbuffer: () => {
let buffer = this.ctx.createRenderbuffer();
let id = this.getNewId(this.renderbuffers);
buffer.name = id;
this.renderbuffers[id] = buffer;
return id;
},
CreateShader: (shaderType) => {
let shader = this.ctx.createShader(shaderType);
let id = this.getNewId(this.shaders);
shader.name = id;
this.shaders[id] = shader;
return id;
},
CreateTexture: () => {
let texture = this.ctx.createTexture();
if (!texture) {
this.recordError(1282)
return 0;
}
let id = this.getNewId(this.textures);
texture.name = id;
this.textures[id] = texture;
return id;
},
CullFace: (mode) => {
this.ctx.cullFace(mode);
},
DeleteBuffer: (id) => {
let obj = this.buffers[id];
if (obj && id != 0) {
this.ctx.deleteBuffer(obj);
this.buffers[id] = null;
}
},
DeleteFramebuffer: (id) => {
let obj = this.framebuffers[id];
if (obj && id != 0) {
this.ctx.deleteFramebuffer(obj);
this.framebuffers[id] = null;
}
},
DeleteProgram: (id) => {
let obj = this.programs[id];
if (obj && id != 0) {
this.ctx.deleteProgram(obj);
this.programs[id] = null;
}
},
DeleteRenderbuffer: (id) => {
let obj = this.renderbuffers[id];
if (obj && id != 0) {
this.ctx.deleteRenderbuffer(obj);
this.renderbuffers[id] = null;
}
},
DeleteShader: (id) => {
let obj = this.shaders[id];
if (obj && id != 0) {
this.ctx.deleteShader(obj);
this.shaders[id] = null;
}
},
DeleteTexture: (id) => {
let obj = this.textures[id];
if (obj && id != 0) {
this.ctx.deleteTexture(obj);
this.textures[id] = null;
}
},
DepthFunc: (func) => {
this.ctx.depthFunc(func);
},
DepthMask: (flag) => {
this.ctx.depthMask(!!flag);
},
DepthRange: (zNear, zFar) => {
this.ctx.depthRange(zNear, zFar);
},
DetachShader: (program, shader) => {
this.ctx.detachShader(this.programs[program], this.shaders[shader]);
},
Disable: (cap) => {
this.ctx.disable(cap);
},
DisableVertexAttribArray: (index) => {
this.ctx.disableVertexAttribArray(index);
},
DrawArrays: (mode, first, count) => {
this.ctx.drawArrays(mode, first, count);
},
DrawElements: (mode, count, type, indices) => {
this.ctx.drawElements(mode, count, type, indices);
},
Enable: (cap) => {
this.ctx.enable(cap);
},
EnableVertexAttribArray: (index) => {
this.ctx.enableVertexAttribArray(index);
},
Finish: () => {
this.ctx.finish();
},
Flush: () => {
this.ctx.flush();
},
FramebufferRenderBuffer: (target, attachment, renderbuffertarget, renderbuffer) => {
this.ctx.framebufferRenderBuffer(target, attachment, renderbuffertarget, this.renderbuffers[renderbuffer]);
},
FramebufferTexture2D: (target, attachment, textarget, texture, level) => {
this.ctx.framebufferTexture2D(target, attachment, textarget, this.textures[texture], level);
},
FrontFace: (mode) => {
this.ctx.frontFace(mode);
},
GenerateMipmap: (target) => {
this.ctx.generateMipmap(target);
},
GetAttribLocation: (program, name_ptr, name_len) => {
let name = this.mem.loadString(name_ptr, name_len);
return this.ctx.getAttribLocation(this.programs[program], name);
},
GetParameter: (pname) => {
return this.ctx.getParameter(pname);
},
GetProgramParameter: (program, pname) => {
return this.ctx.getProgramParameter(this.programs[program], pname)
},
GetProgramInfoLog: (program, buf_ptr, buf_len, length_ptr) => {
let log = this.ctx.getProgramInfoLog(this.programs[program]);
if (log === null) {
log = "(unknown error)";
}
if (buf_len > 0 && buf_ptr) {
let n = Math.min(buf_len, log.length);
log = log.substring(0, n);
this.mem.loadBytes(buf_ptr, buf_len).set(new TextEncoder().encode(log))
this.mem.storeInt(length_ptr, n);
}
},
GetShaderInfoLog: (shader, buf_ptr, buf_len, length_ptr) => {
let log = this.ctx.getShaderInfoLog(this.shaders[shader]);
if (log === null) {
log = "(unknown error)";
}
if (buf_len > 0 && buf_ptr) {
let n = Math.min(buf_len, log.length);
log = log.substring(0, n);
this.mem.loadBytes(buf_ptr, buf_len).set(new TextEncoder().encode(log))
this.mem.storeInt(length_ptr, n);
}
},
GetShaderiv: (shader, pname, p) => {
if (p) {
if (pname == 35716) {
let log = this.ctx.getShaderInfoLog(this.shaders[shader]);
if (log === null) {
log = "(unknown error)";
}
this.mem.storeInt(p, log.length+1);
} else if (pname == 35720) {
let source = this.ctx.getShaderSource(this.shaders[shader]);
let sourceLength = (source === null || source.length == 0) ? 0 : source.length+1;
this.mem.storeInt(p, sourceLength);
} else {
let param = this.ctx.getShaderParameter(this.shaders[shader], pname);
this.mem.storeI32(p, param);
}
} else {
this.recordError(1281);
}
},
GetUniformLocation: (program, name_ptr, name_len) => {
let name = this.mem.loadString(name_ptr, name_len);
let arrayOffset = 0;
if (name.indexOf("]", name.length - 1) !== -1) {
let ls = name.lastIndexOf("["),
arrayIndex = name.slice(ls + 1, -1);
if (arrayIndex.length > 0 && (arrayOffset = parseInt(arrayIndex)) < 0) {
return -1;
}
name = name.slice(0, ls)
}
var ptable = this.programInfos[program];
if (!ptable) {
return -1;
}
var uniformInfo = ptable.uniforms[name];
return (uniformInfo && arrayOffset < uniformInfo[0]) ? uniformInfo[1] + arrayOffset : -1
},
GetVertexAttribOffset: (index, pname) => {
return this.ctx.getVertexAttribOffset(index, pname);
},
Hint: (target, mode) => {
this.ctx.hint(target, mode);
},
IsBuffer: (buffer) => this.ctx.isBuffer(this.buffers[buffer]),
IsEnabled: (enabled) => this.ctx.isEnabled(this.enableds[enabled]),
IsFramebuffer: (framebuffer) => this.ctx.isFramebuffer(this.framebuffers[framebuffer]),
IsProgram: (program) => this.ctx.isProgram(this.programs[program]),
IsRenderbuffer: (renderbuffer) => this.ctx.isRenderbuffer(this.renderbuffers[renderbuffer]),
IsShader: (shader) => this.ctx.isShader(this.shaders[shader]),
IsTexture: (texture) => this.ctx.isTexture(this.textures[texture]),
LineWidth: (width) => {
this.ctx.lineWidth(width);
},
LinkProgram: (program) => {
this.ctx.linkProgram(this.programs[program]);
this.programInfos[program] = null;
this.populateUniformTable(program);
},
PixelStorei: (pname, param) => {
this.ctx.pixelStorei(pname, param);
},
PolygonOffset: (factor, units) => {
this.ctx.polygonOffset(factor, units);
},
ReadnPixels: (x, y, width, height, format, type, bufSize, data) => {
this.ctx.readPixels(x, y, width, format, type, this.mem.loadBytes(data, bufSize));
},
RenderbufferStorage: (target, internalformat, width, height) => {
this.ctx.renderbufferStorage(target, internalformat, width, height);
},
SampleCoverage: (value, invert) => {
this.ctx.sampleCoverage(value, !!invert);
},
Scissor: (x, y, width, height) => {
this.ctx.scissor(x, y, width, height);
},
ShaderSource: (shader, strings_ptr, strings_length) => {
let source = this.getSource(shader, strings_ptr, strings_length);
this.ctx.shaderSource(this.shaders[shader], source);
},
StencilFunc: (func, ref, mask) => {
this.ctx.stencilFunc(func, ref, mask);
},
StencilFuncSeparate: (face, func, ref, mask) => {
this.ctx.stencilFuncSeparate(face, func, ref, mask);
},
StencilMask: (mask) => {
this.ctx.stencilMask(mask);
},
StencilMaskSeparate: (face, mask) => {
this.ctx.stencilMaskSeparate(face, mask);
},
StencilOp: (fail, zfail, zpass) => {
this.ctx.stencilOp(fail, zfail, zpass);
},
StencilOpSeparate: (face, fail, zfail, zpass) => {
this.ctx.stencilOpSeparate(face, fail, zfail, zpass);
},
TexImage2D: (target, level, internalformat, width, height, border, format, type, size, data) => {
if (data) {
this.ctx.texImage2D(target, level, internalformat, width, height, border, format, type, this.mem.loadBytes(data, size));
} else {
this.ctx.texImage2D(target, level, internalformat, width, height, border, format, type, null);
}
},
TexParameterf: (target, pname, param) => {
this.ctx.texParameterf(target, pname, param);
},
TexParameteri: (target, pname, param) => {
this.ctx.texParameteri(target, pname, param);
},
TexSubImage2D: (target, level, xoffset, yoffset, width, height, format, type, size, data) => {
this.ctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, this.mem.loadBytes(data, size));
},
Uniform1f: (location, v0) => { this.ctx.uniform1f(this.uniforms[location], v0); },
Uniform2f: (location, v0, v1) => { this.ctx.uniform2f(this.uniforms[location], v0, v1); },
Uniform3f: (location, v0, v1, v2) => { this.ctx.uniform3f(this.uniforms[location], v0, v1, v2); },
Uniform4f: (location, v0, v1, v2, v3) => { this.ctx.uniform4f(this.uniforms[location], v0, v1, v2, v3); },
Uniform1i: (location, v0) => { this.ctx.uniform1i(this.uniforms[location], v0); },
Uniform2i: (location, v0, v1) => { this.ctx.uniform2i(this.uniforms[location], v0, v1); },
Uniform3i: (location, v0, v1, v2) => { this.ctx.uniform3i(this.uniforms[location], v0, v1, v2); },
Uniform4i: (location, v0, v1, v2, v3) => { this.ctx.uniform4i(this.uniforms[location], v0, v1, v2, v3); },
UniformMatrix2fv: (location, addr) => {
let array = this.mem.loadF32Array(addr, 2*2);
this.ctx.uniformMatrix4fv(this.uniforms[location], false, array);
},
UniformMatrix3fv: (location, addr) => {
let array = this.mem.loadF32Array(addr, 3*3);
this.ctx.uniformMatrix4fv(this.uniforms[location], false, array);
},
UniformMatrix4fv: (location, addr) => {
let array = this.mem.loadF32Array(addr, 4*4);
this.ctx.uniformMatrix4fv(this.uniforms[location], false, array);
},
UseProgram: (program) => {
if (program) this.ctx.useProgram(this.programs[program]);
},
ValidateProgram: (program) => {
if (program) this.ctx.validateProgram(this.programs[program]);
},
VertexAttrib1f: (index, x) => {
this.ctx.vertexAttrib1f(index, x);
},
VertexAttrib2f: (index, x, y) => {
this.ctx.vertexAttrib2f(index, x, y);
},
VertexAttrib3f: (index, x, y, z) => {
this.ctx.vertexAttrib3f(index, x, y, z);
},
VertexAttrib4f: (index, x, y, z, w) => {
this.ctx.vertexAttrib4f(index, x, y, z, w);
},
VertexAttribPointer: (index, size, type, normalized, stride, ptr) => {
this.ctx.vertexAttribPointer(index, size, type, !!normalized, stride, ptr);
},
Viewport: (x, y, w, h) => {
this.ctx.viewport(x, y, w, h);
},
};
}
getWebGL2Interface() {
return {
/* Buffer objects */
CopyBufferSubData: (readTarget, writeTarget, readOffset, writeOffset, size) => {
this.assertWebGL2();
this.ctx.copyBufferSubData(readTarget, writeTarget, readOffset, writeOffset, size);
},
GetBufferSubData: (target, srcByteOffset, dst_buffer_ptr, dst_buffer_len, dstOffset, length) => {
this.assertWebGL2();
this.ctx.getBufferSubData(target, srcByteOffset, this.mem.loadBytes(dst_buffer_ptr, dst_buffer_len), dstOffset, length);
},
/* Framebuffer objects */
BlitFramebuffer: (srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter) => {
this.assertWebGL2();
this.ctx.glitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
},
FramebufferTextureLayer: (target, attachment, texture, level, layer) => {
this.assertWebGL2();
this.ctx.framebufferTextureLayer(target, attachment, this.textures[texture], level, layer);
},
InvalidateFramebuffer: (target, attachments_ptr, attachments_len) => {
this.assertWebGL2();
let attachments = this.mem.loadU32Array(attachments_ptr, attachments_len);
this.ctx.invalidateFramebuffer(target, attachments);
},
InvalidateSubFramebuffer: (target, attachments_ptr, attachments_len, x, y, width, height) => {
this.assertWebGL2();
let attachments = this.mem.loadU32Array(attachments_ptr, attachments_len);
this.ctx.invalidateSubFramebuffer(target, attachments, x, y, width, height);
},
ReadBuffer: (src) => {
this.assertWebGL2();
this.ctx.readBuffer(src);
},
/* Renderbuffer objects */
RenderbufferStorageMultisample: (target, samples, internalformat, width, height) => {
this.assertWebGL2();
this.ctx.renderbufferStorageMultisample(target, samples, internalformat, width, height);
},
/* Texture objects */
TexStorage3D: (target, levels, internalformat, width, height, depth) => {
this.assertWebGL2();
this.ctx.texStorage3D(target, level, internalformat, width, heigh, depth);
},
TexImage3D: (target, level, internalformat, width, height, depth, border, format, type, size, data) => {
this.assertWebGL2();
if (data) {
this.ctx.texImage3D(target, level, internalformat, width, height, depth, border, format, type, this.mem.loadBytes(data, size));
} else {
this.ctx.texImage3D(target, level, internalformat, width, height, depth, border, format, type, null);
}
},
TexSubImage3D: (target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, size, data) => {
this.assertWebGL2();
this.ctx.texSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, this.mem.loadBytes(data, size));
},
CompressedTexImage3D: (target, level, internalformat, width, height, depth, border, imageSize, data) => {
this.assertWebGL2();
if (data) {
this.ctx.compressedTexImage3D(target, level, internalformat, width, height, depth, border, this.mem.loadBytes(data, imageSize));
} else {
this.ctx.compressedTexImage3D(target, level, internalformat, width, height, depth, border, null);
}
},
CompressedTexSubImage3D: (target, level, xoffset, yoffset, zoffset, width, height, depth, format, imageSize, data) => {
this.assertWebGL2();
if (data) {
this.ctx.compressedTexSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, this.mem.loadBytes(data, imageSize));
} else {
this.ctx.compressedTexSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, null);
}
},
CopyTexSubImage3D: (target, level, xoffset, yoffset, zoffset, x, y, width, height) => {
this.assertWebGL2();
this.ctx.copyTexImage3D(target, level, xoffset, yoffset, zoffset, x, y, width, height);
},
/* Programs and shaders */
GetFragDataLocation: (program, name_ptr, name_len) => {
this.assertWebGL2();
return this.ctx.getFragDataLocation(this.programs[program], this.mem.loadString(name_ptr, name_len));
},
/* Uniforms */
Uniform1ui: (location, v0) => {
this.assertWebGL2();
this.ctx.uniform1ui(this.uniforms[location], v0);
},
Uniform2ui: (location, v0, v1) => {
this.assertWebGL2();
this.ctx.uniform2ui(this.uniforms[location], v0, v1);
},
Uniform3ui: (location, v0, v1, v2) => {
this.assertWebGL2();
this.ctx.uniform3ui(this.uniforms[location], v0, v1, v2);
},
Uniform4ui: (location, v0, v1, v2, v3) => {
this.assertWebGL2();
this.ctx.uniform4ui(this.uniforms[location], v0, v1, v2, v3);
},
UniformMatrix3x2fv: (location, addr) => {
this.assertWebGL2();
let array = this.mem.loadF32Array(addr, 3*2);
this.ctx.uniformMatrix3x2fv(this.uniforms[location], false, array);
},
UniformMatrix4x2fv: (location, addr) => {
this.assertWebGL2();
let array = this.mem.loadF32Array(addr, 4*2);
this.ctx.uniformMatrix4x2fv(this.uniforms[location], false, array);
},
UniformMatrix2x3fv: (location, addr) => {
this.assertWebGL2();
let array = this.mem.loadF32Array(addr, 2*3);
this.ctx.uniformMatrix2x3fv(this.uniforms[location], false, array);
},
UniformMatrix4x3fv: (location, addr) => {
this.assertWebGL2();
let array = this.mem.loadF32Array(addr, 4*3);
this.ctx.uniformMatrix4x3fv(this.uniforms[location], false, array);
},
UniformMatrix2x4fv: (location, addr) => {
this.assertWebGL2();
let array = this.mem.loadF32Array(addr, 2*4);
this.ctx.uniformMatrix2x4fv(this.uniforms[location], false, array);
},
UniformMatrix3x4fv: (location, addr) => {
this.assertWebGL2();
let array = this.mem.loadF32Array(addr, 3*4);
this.ctx.uniformMatrix3x4fv(this.uniforms[location], false, array);
},
/* Vertex attribs */
VertexAttribI4i: (index, x, y, z, w) => {
this.assertWebGL2();
this.ctx.vertexAttribI4i(index, x, y, z, w);
},
VertexAttribI4ui: (index, x, y, z, w) => {
this.assertWebGL2();
this.ctx.vertexAttribI4ui(index, x, y, z, w);
},
VertexAttribIPointer: (index, size, type, stride, offset) => {
this.assertWebGL2();
this.ctx.vertexAttribIPointer(index, size, type, stride, offset);
},
/* Writing to the drawing buffer */
VertexAttribDivisor: (index, divisor) => {
this.assertWebGL2();
this.ctx.vertexAttribDivisor(index, divisor);
},
DrawArraysInstanced: (mode, first, count, instanceCount) => {
this.assertWebGL2();
this.ctx.drawArraysInstanced(mode, first, count, instanceCount);
},
DrawElementsInstanced: (mode, count, type, offset, instanceCount) => {
this.assertWebGL2();
this.ctx.drawElementsInstanced(mode, count, type, offset, instanceCount);
},
DrawRangeElements: (mode, start, end, count, type, offset) => {
this.assertWebGL2();
this.ctx.drawRangeElements(mode, start, end, count, type, offset);
},
/* Multiple Render Targets */
DrawBuffers: (buffers_ptr, buffers_len) => {
this.assertWebGL2();
let array = this.mem.loadU32Array(buffers_ptr, buffers_len);
this.ctx.drawBuffers(array);
},
ClearBufferfv: (buffer, drawbuffer, values_ptr, values_len) => {
this.assertWebGL2();
let array = this.mem.loadF32Array(values_ptr, values_len);
this.ctx.clearBufferfv(buffer, drawbuffer, array);
},
ClearBufferiv: (buffer, drawbuffer, values_ptr, values_len) => {
this.assertWebGL2();
let array = this.mem.loadI32Array(values_ptr, values_len);
this.ctx.clearBufferiv(buffer, drawbuffer, array);
},
ClearBufferuiv: (buffer, drawbuffer, values_ptr, values_len) => {
this.assertWebGL2();
let array = this.mem.loadU32Array(values_ptr, values_len);
this.ctx.clearBufferuiv(buffer, drawbuffer, array);
},
ClearBufferfi: (buffer, drawbuffer, depth, stencil) => {
this.assertWebGL2();
this.ctx.clearBufferfi(buffer, drawbuffer, depth, stencil);
},
/* Query Objects */
CreateQuery: () => {
this.assertWebGL2();
let query = this.ctx.createQuery();
let id = this.getNewId(this.queries);
query.name = id;
this.queries[id] = query;
return id;
},
DeleteQuery: (id) => {
this.assertWebGL2();
let obj = this.querys[id];
if (obj && id != 0) {
this.ctx.deleteQuery(obj);
this.querys[id] = null;
}
},
IsQuery: (query) => {
this.assertWebGL2();
return this.ctx.isQuery(this.queries[query]);
},
BeginQuery: (target, query) => {
this.assertWebGL2();
this.ctx.beginQuery(target, this.queries[query])
},
EndQuery: (target) => {
this.assertWebGL2();
this.ctx.endQuery(target);
},
GetQuery: (target, pname) => {
this.assertWebGL2();
let query = this.ctx.getQuery(target, pname);
if (!query) {
return 0;
}
if (this.queries.indexOf(query) !== -1) {
return query.name;
}
let id = this.getNewId(this.queries);
query.name = id;
this.queries[id] = query;
return id;
},
/* Sampler Objects */
CreateSampler: () => {
this.assertWebGL2();
let sampler = this.ctx.createSampler();
let id = this.getNewId(this.samplers);
sampler.name = id;
this.samplers[id] = sampler;
return id;
},
DeleteSampler: (id) => {
this.assertWebGL2();
let obj = this.samplers[id];
if (obj && id != 0) {
this.ctx.deleteSampler(obj);
this.samplers[id] = null;
}
},
IsSampler: (sampler) => {
this.assertWebGL2();
return this.ctx.isSampler(this.samplers[sampler]);
},
BindSampler: (unit, sampler) => {
this.assertWebGL2();
this.ctx.bindSampler(unit, this.samplers[Sampler]);
},
SamplerParameteri: (sampler, pname, param) => {
this.assertWebGL2();
this.ctx.samplerParameteri(this.samplers[sampler], pname, param);
},
SamplerParameterf: (sampler, pname, param) => {
this.assertWebGL2();
this.ctx.samplerParameterf(this.samplers[sampler], pname, param);
},
/* Sync objects */
FenceSync: (condition, flags) => {
this.assertWebGL2();
let sync = this.ctx.fenceSync(condition, flags);
let id = this.getNewId(this.syncs);
sync.name = id;
this.syncs[id] = sync;
return id;
},
IsSync: (sync) => {
this.assertWebGL2();
return this.ctx.isSync(this.syncs[sync]);
},
DeleteSync: (id) => {
this.assertWebGL2();
let obj = this.syncs[id];
if (obj && id != 0) {
this.ctx.deleteSampler(obj);
this.syncs[id] = null;
}
},
ClientWaitSync: (sync, flags, timeout) => {
this.assertWebGL2();
return this.ctx.clientWaitSync(this.syncs[sync], flags, timeout);
},
WaitSync: (sync, flags, timeout) => {
this.assertWebGL2();
this.ctx.waitSync(this.syncs[sync], flags, timeout) ;
},
/* Transform Feedback */
CreateTransformFeedback: () => {
this.assertWebGL2();
let transformFeedback = this.ctx.createtransformFeedback();
let id = this.getNewId(this.transformFeedbacks);
transformFeedback.name = id;
this.transformFeedbacks[id] = transformFeedback;
return id;
},
DeleteTransformFeedback: (id) => {
this.assertWebGL2();
let obj = this.transformFeedbacks[id];
if (obj && id != 0) {
this.ctx.deleteTransformFeedback(obj);
this.transformFeedbacks[id] = null;
}
},
IsTransformFeedback: (tf) => {
this.assertWebGL2();
return this.ctx.isTransformFeedback(this.transformFeedbacks[tf]);
},
BindTransformFeedback: (target, tf) => {
this.assertWebGL2();
this.ctx.bindTransformFeedback(target, this.transformFeedbacks[tf]);
},
BeginTransformFeedback: (primitiveMode) => {
this.assertWebGL2();
this.ctx.beginTransformFeedback(primitiveMode);
},
EndTransformFeedback: () => {
this.assertWebGL2();
this.ctx.endTransformFeedback();
},
TransformFeedbackVaryings: (program, varyings_ptr, varyings_len, bufferMode) => {
this.assertWebGL2();
let varyings = [];
for (let i = 0; i < varyings_len; i++) {
let ptr = this.mem.loadPtr(varyings_ptr + i*STRING_SIZE + 0*4);
let len = this.mem.loadPtr(varyings_ptr + i*STRING_SIZE + 1*4);
varyings.push(this.mem.loadString(ptr, len));
}
this.ctx.transformFeedbackVaryings(this.programs[program], varyings, bufferMode);
},
PauseTransformFeedback: () => {
this.assertWebGL2();
this.ctx.pauseTransformFeedback();
},
ResumeTransformFeedback: () => {
this.assertWebGL2();
this.ctx.resumeTransformFeedback();
},
/* Uniform Buffer Objects and Transform Feedback Buffers */
BindBufferBase: (target, index, buffer) => {
this.assertWebGL2();
this.ctx.bindBufferBase(target, index, this.buffers[buffer]);
},
BindBufferRange: (target, index, buffer, offset, size) => {
this.assertWebGL2();
this.ctx.bindBufferRange(target, index, this.buffers[buffer], offset, size);
},
GetUniformBlockIndex: (program, uniformBlockName_ptr, uniformBlockName_len) => {
this.assertWebGL2();
return this.ctx.getUniformBlockIndex(this.programs[program], this.mem.loadString(uniformBlockName_ptr, uniformBlockName_len));
},
// any getActiveUniformBlockParameter(WebGLProgram program, GLuint uniformBlockIndex, GLenum pname);
GetActiveUniformBlockName: (program, uniformBlockIndex, buf_ptr, buf_len, length_ptr) => {
this.assertWebGL2();
let name = this.ctx.getActiveUniformBlockName(this.programs[program], uniformBlockIndex);
let n = Math.min(buf_len, name.length);
name = name.substring(0, n);
this.mem.loadBytes(buf_ptr, buf_len).set(new TextEncoder().encode(name))
this.mem.storeInt(length_ptr, n);
},
UniformBlockBinding: (program, uniformBlockIndex, uniformBlockBinding) => {
this.assertWebGL2();
this.ctx.uniformBlockBinding(this.programs[program], uniformBlockIndex, uniformBlockBinding);
},
/* Vertex Array Objects */
CreateVertexArray: () => {
this.assertWebGL2();
let vao = this.ctx.createVertexArray();
let id = this.getNewId(this.vaos);
vao.name = id;
this.vaos[id] = vao;
return id;
},
DeleteVertexArray: (id) => {
this.assertWebGL2();
let obj = this.vaos[id];
if (obj && id != 0) {
this.ctx.deleteVertexArray(obj);
this.vaos[id] = null;
}
},
IsVertexArray: (vertexArray) => {
this.assertWebGL2();
return this.ctx.isVertexArray(this.vaos[vertexArray]);
},
BindVertexArray: (vertexArray) => {
this.assertWebGL2();
this.ctx.bindVertexArray(this.vaos[vertexArray]);
},
};
}
};
function odinSetupDefaultImports(wasmMemoryInterface, consoleElement) {
const MAX_INFO_CONSOLE_LINES = 512;
let infoConsoleLines = new Array();
let currentLine = {};
currentLine[false] = "";
currentLine[true] = "";
let prevIsError = false;
const writeToConsole = (line, isError) => {
if (!line) {
return;
}
const println = (text, forceIsError) => {
let style = [
"color: #eee",
"background-color: #d20",
"padding: 2px 4px",
"border-radius: 2px",
].join(";");
let doIsError = isError;
if (forceIsError !== undefined) {
doIsError = forceIsError;
}
if (doIsError) {
console.log("%c"+text, style);
} else {
console.log(text);
}
};
// Print to console
if (line == "\n") {
println(currentLine[isError]);
currentLine[isError] = "";
} else if (!line.includes("\n")) {
currentLine[isError] = currentLine[isError].concat(line);
} else {
let lines = line.split("\n");
let printLast = lines.length > 1 && line.endsWith("\n");
println(currentLine[isError].concat(lines[0]));
currentLine[isError] = "";
for (let i = 1; i < lines.length-1; i++) {
println(lines[i]);
}
let last = lines[lines.length-1];
if (printLast) {
println(last);
} else {
currentLine[isError] = last;
}
}
if (prevIsError != isError) {
if (prevIsError) {
println(currentLine[prevIsError], prevIsError);
currentLine[prevIsError] = "";
}
}
prevIsError = isError;
// HTML based console
if (!consoleElement) {
return;
}
const wrap = (x) => {
if (isError) {
return '<span style="color:#f21">'+x+'</span>';
}
return x;
};
if (line == "\n") {
infoConsoleLines.push(line);
} else if (!line.includes("\n")) {
let prevLine = "";
if (infoConsoleLines.length > 0) {
prevLine = infoConsoleLines.pop();
}
infoConsoleLines.push(prevLine.concat(wrap(line)));
} else {
let lines = line.split("\n");
let lastHasNewline = lines.length > 1 && line.endsWith("\n");
let prevLine = "";
if (infoConsoleLines.length > 0) {
prevLine = infoConsoleLines.pop();
}
infoConsoleLines.push(prevLine.concat(wrap(lines[0]).concat("\n")));
for (let i = 1; i < lines.length-1; i++) {
infoConsoleLines.push(wrap(lines[i]).concat("\n"));
}
let last = lines[lines.length-1];
if (lastHasNewline) {
infoConsoleLines.push(last.concat("\n"));
} else {
infoConsoleLines.push(last);
}
}
if (infoConsoleLines.length > MAX_INFO_CONSOLE_LINES) {
infoConsoleLines.shift(MAX_INFO_CONSOLE_LINES);
}
let data = "";
for (let i = 0; i < infoConsoleLines.length; i++) {
data = data.concat(infoConsoleLines[i]);
}
let info = consoleElement;
info.innerHTML = data;
info.scrollTop = info.scrollHeight;
};
let event_temp_data = {};
let webglContext = new WebGLInterface(wasmMemoryInterface);
return {
"env": {},
"odin_env": {
write: (fd, ptr, len) => {
const str = wasmMemoryInterface.loadString(ptr, len);
if (fd == 1) {
writeToConsole(str, false);
return;
} else if (fd == 2) {
writeToConsole(str, true);
return;
} else {
throw new Error("Invalid fd to 'write'" + stripNewline(str));
}
},
trap: () => { throw new Error() },
alert: (ptr, len) => { alert(wasmMemoryInterface.loadString(ptr, len)) },
abort: () => { Module.abort() },
evaluate: (str_ptr, str_len) => { eval.call(null, wasmMemoryInterface.loadString(str_ptr, str_len)); },
// return a bigint to be converted to i64
time_now: () => BigInt(Date.now()),
tick_now: () => BigInt(performance.now()),
time_sleep: (duration_ms) => {
if (duration_ms > 0) {
// TODO(bill): Does this even make any sense?
}
},
sqrt: Math.sqrt,
sin: Math.sin,
cos: Math.cos,
pow: Math.pow,
fmuladd: (x, y, z) => x*y + z,
ln: Math.log,
exp: Math.exp,
ldexp: (x, exp) => x * Math.pow(2, exp),
rand_bytes: (ptr, len) => {
const view = new Uint8Array(wasmMemoryInterface.memory.buffer, ptr, len)
crypto.getRandomValues(view)
},
},
"odin_dom": {
init_event_raw: (ep) => {
const W = 4;
let offset = ep;
let off = (amount, alignment) => {
if (alignment === undefined) {
alignment = Math.min(amount, W);
}
if (offset % alignment != 0) {
offset += alignment - (offset%alignment);
}
let x = offset;
offset += amount;
return x;
};
let wmi = wasmMemoryInterface;
let e = event_temp_data.event;
wmi.storeU32(off(4), event_temp_data.name_code);
if (e.target == document) {
wmi.storeU32(off(4), 1);
} else if (e.target == window) {
wmi.storeU32(off(4), 2);
} else {
wmi.storeU32(off(4), 0);
}
if (e.currentTarget == document) {
wmi.storeU32(off(4), 1);
} else if (e.currentTarget == window) {
wmi.storeU32(off(4), 2);
} else {
wmi.storeU32(off(4), 0);
}
wmi.storeUint(off(W), event_temp_data.id_ptr);
wmi.storeUint(off(W), event_temp_data.id_len);
wmi.storeUint(off(W), 0); // padding
wmi.storeF64(off(8), e.timeStamp*1e-3);
wmi.storeU8(off(1), e.eventPhase);
let options = 0;
if (!!e.bubbles) { options |= 1<<0; }
if (!!e.cancelable) { options |= 1<<1; }
if (!!e.composed) { options |= 1<<2; }
wmi.storeU8(off(1), options);
wmi.storeU8(off(1), !!e.isComposing);
wmi.storeU8(off(1), !!e.isTrusted);
let base = off(0, 8);
if (e instanceof MouseEvent) {
wmi.storeI64(off(8), e.screenX);
wmi.storeI64(off(8), e.screenY);
wmi.storeI64(off(8), e.clientX);
wmi.storeI64(off(8), e.clientY);
wmi.storeI64(off(8), e.offsetX);
wmi.storeI64(off(8), e.offsetY);
wmi.storeI64(off(8), e.pageX);
wmi.storeI64(off(8), e.pageY);
wmi.storeI64(off(8), e.movementX);
wmi.storeI64(off(8), e.movementY);
wmi.storeU8(off(1), !!e.ctrlKey);
wmi.storeU8(off(1), !!e.shiftKey);
wmi.storeU8(off(1), !!e.altKey);
wmi.storeU8(off(1), !!e.metaKey);
wmi.storeI16(off(2), e.button);
wmi.storeU16(off(2), e.buttons);
} else if (e instanceof KeyboardEvent) {
// Note: those strings are constructed
// on the native side from buffers that
// are filled later, so skip them
const keyPtr = off(W*2, W);
const codePtr = off(W*2, W);
wmi.storeU8(off(1), e.location);
wmi.storeU8(off(1), !!e.ctrlKey);
wmi.storeU8(off(1), !!e.shiftKey);
wmi.storeU8(off(1), !!e.altKey);
wmi.storeU8(off(1), !!e.metaKey);
wmi.storeU8(off(1), !!e.repeat);
wmi.storeI32(off(W), e.key.length)
wmi.storeI32(off(W), e.code.length)
wmi.storeString(off(16, 1), e.key);
wmi.storeString(off(16, 1), e.code);
} else if (e instanceof WheelEvent) {
wmi.storeF64(off(8), e.deltaX);
wmi.storeF64(off(8), e.deltaY);
wmi.storeF64(off(8), e.deltaZ);
wmi.storeU32(off(4), e.deltaMode);
} else if (e instanceof Event) {
if ('scrollX' in e) {
wmi.storeF64(off(8), e.scrollX);
wmi.storeF64(off(8), e.scrollY);
}
}
},
add_event_listener: (id_ptr, id_len, name_ptr, name_len, name_code, data, callback, use_capture) => {
let id = wasmMemoryInterface.loadString(id_ptr, id_len);
let name = wasmMemoryInterface.loadString(name_ptr, name_len);
let element = getElement(id);
if (element == undefined) {
return false;
}
let listener = (e) => {
const odin_ctx = wasmMemoryInterface.exports.default_context_ptr();
event_temp_data.id_ptr = id_ptr;
event_temp_data.id_len = id_len;
event_temp_data.event = e;
event_temp_data.name_code = name_code;
wasmMemoryInterface.exports.odin_dom_do_event_callback(data, callback, odin_ctx);
};
wasmMemoryInterface.listenerMap[{data: data, callback: callback}] = listener;
element.addEventListener(name, listener, !!use_capture);
return true;
},
remove_event_listener: (id_ptr, id_len, name_ptr, name_len, data, callback) => {
let id = wasmMemoryInterface.loadString(id_ptr, id_len);
let name = wasmMemoryInterface.loadString(name_ptr, name_len);
let element = getElement(id);
if (element == undefined) {
return false;
}
let listener = wasmMemoryInterface.listenerMap[{data: data, callback: callback}];
if (listener == undefined) {
return false;
}
element.removeEventListener(name, listener);
return true;
},
add_window_event_listener: (name_ptr, name_len, name_code, data, callback, use_capture) => {
let name = wasmMemoryInterface.loadString(name_ptr, name_len);
let element = window;
let listener = (e) => {
const odin_ctx = wasmMemoryInterface.exports.default_context_ptr();
event_temp_data.id_ptr = 0;
event_temp_data.id_len = 0;
event_temp_data.event = e;
event_temp_data.name_code = name_code;
wasmMemoryInterface.exports.odin_dom_do_event_callback(data, callback, odin_ctx);
};
wasmMemoryInterface.listenerMap[{data: data, callback: callback}] = listener;
element.addEventListener(name, listener, !!use_capture);
return true;
},
remove_window_event_listener: (name_ptr, name_len, data, callback) => {
let name = wasmMemoryInterface.loadString(name_ptr, name_len);
let element = window;
let key = {data: data, callback: callback};
let listener = wasmMemoryInterface.listenerMap[key];
if (!listener) {
return false;
}
wasmMemoryInterface.listenerMap[key] = undefined;
element.removeEventListener(name, listener);
return true;
},
event_stop_propagation: () => {
if (event_temp_data && event_temp_data.event) {
event_temp_data.event.eventStopPropagation();
}
},
event_stop_immediate_propagation: () => {
if (event_temp_data && event_temp_data.event) {
event_temp_data.event.eventStopImmediatePropagation();
}
},
event_prevent_default: () => {
if (event_temp_data && event_temp_data.event) {
event_temp_data.event.preventDefault();
}
},
dispatch_custom_event: (id_ptr, id_len, name_ptr, name_len, options_bits) => {
let id = wasmMemoryInterface.loadString(id_ptr, id_len);
let name = wasmMemoryInterface.loadString(name_ptr, name_len);
let options = {
bubbles: (options_bits & (1<<0)) !== 0,
cancelabe: (options_bits & (1<<1)) !== 0,
composed: (options_bits & (1<<2)) !== 0,
};
let element = getElement(id);
if (element) {
element.dispatchEvent(new Event(name, options));
return true;
}
return false;
},
get_element_value_f64: (id_ptr, id_len) => {
let id = wasmMemoryInterface.loadString(id_ptr, id_len);
let element = getElement(id);
return element ? element.value : 0;
},
get_element_value_string: (id_ptr, id_len, buf_ptr, buf_len) => {
let id = wasmMemoryInterface.loadString(id_ptr, id_len);
let element = getElement(id);
if (element) {
let str = element.value;
if (buf_len > 0 && buf_ptr) {
let n = Math.min(buf_len, str.length);
str = str.substring(0, n);
this.mem.loadBytes(buf_ptr, buf_len).set(new TextEncoder().encode(str))
return n;
}
}
return 0;
},
get_element_value_string_length: (id_ptr, id_len) => {
let id = wasmMemoryInterface.loadString(id_ptr, id_len);
let element = getElement(id);
if (element) {
return element.value.length;
}
return 0;
},
get_element_min_max: (ptr_array2_f64, id_ptr, id_len) => {
let id = wasmMemoryInterface.loadString(id_ptr, id_len);
let element = getElement(id);
if (element) {
let values = wasmMemoryInterface.loadF64Array(ptr_array2_f64, 2);
values[0] = element.min;
values[1] = element.max;
}
},
set_element_value_f64: (id_ptr, id_len, value) => {
let id = wasmMemoryInterface.loadString(id_ptr, id_len);
let element = getElement(id);
if (element) {
element.value = value;
}
},
set_element_value_string: (id_ptr, id_len, value_ptr, value_id) => {
let id = wasmMemoryInterface.loadString(id_ptr, id_len);
let value = wasmMemoryInterface.loadString(value_ptr, value_len);
let element = getElement(id);
if (element) {
element.value = value;
}
},
get_bounding_client_rect: (rect_ptr, id_ptr, id_len) => {
let id = wasmMemoryInterface.loadString(id_ptr, id_len);
let element = getElement(id);
if (element) {
let values = wasmMemoryInterface.loadF64Array(rect_ptr, 4);
let rect = element.getBoundingClientRect();
values[0] = rect.left;
values[1] = rect.top;
values[2] = rect.right - rect.left;
values[3] = rect.bottom - rect.top;
}
},
window_get_rect: (rect_ptr) => {
let values = wasmMemoryInterface.loadF64Array(rect_ptr, 4);
values[0] = window.screenX;
values[1] = window.screenY;
values[2] = window.screen.width;
values[3] = window.screen.height;
},
window_get_scroll: (pos_ptr) => {
let values = wasmMemoryInterface.loadF64Array(pos_ptr, 2);
values[0] = window.scrollX;
values[1] = window.scrollY;
},
window_set_scroll: (x, y) => {
window.scroll(x, y);
},
device_pixel_ratio: () => {
return window.devicePixelRatio;
},
},
"webgl": webglContext.getWebGL1Interface(),
"webgl2": webglContext.getWebGL2Interface(),
};
};
async function runWasm(wasmPath, consoleElement, extraForeignImports) {
let wasmMemoryInterface = new WasmMemoryInterface();
let imports = odinSetupDefaultImports(wasmMemoryInterface, consoleElement);
let exports = {};
if (extraForeignImports !== undefined) {
imports = {
...imports,
...extraForeignImports,
};
}
const response = await fetch(wasmPath);
const file = await response.arrayBuffer();
const wasm = await WebAssembly.instantiate(file, imports);
exports = wasm.instance.exports;
wasmMemoryInterface.setExports(exports);
wasmMemoryInterface.setMemory(exports.memory);
exports._start();
if (exports.step) {
const odin_ctx = exports.default_context_ptr();
let prevTimeStamp = undefined;
const step = (currTimeStamp) => {
if (prevTimeStamp == undefined) {
prevTimeStamp = currTimeStamp;
}
const dt = (currTimeStamp - prevTimeStamp)*0.001;
prevTimeStamp = currTimeStamp;
exports.step(dt, odin_ctx);
window.requestAnimationFrame(step);
};
window.requestAnimationFrame(step);
}
exports._end();
return;
};
window.odin = {
// Interface Types
WasmMemoryInterface: WasmMemoryInterface,
WebGLInterface: WebGLInterface,
// Functions
setupDefaultImports: odinSetupDefaultImports,
runWasm: runWasm,
};
})();